— Thank you.
— ______________________.[ ]
A. Excuse me
B. I'm OK
C. You're welcome
答案:C
In my class, 75% students take the bus to school. So _______ students get to school by bus. [ ]
A. all
B. most
C. some
D. few
发展速度的计算方法为( )。
A.报告期水平与基期水平之差 B.报告期水平与基期水平相比 C.增长量与基期水平之差 D.增长量与基期水平相比